BlogHide Resteemsrosargia (40)in blockchain-business • 7 years agoBlockchain for Business #3: Requirements for a blockchain in a business environmentA blockchain needs to fulfill four really important points, to be suitable for business applications: shared ledger: an append only system of records shared across the network privacy: a…rosargia (40)in blockchain-business • 7 years agoBlockchain for Business #2: Blockchain role in business networksLet's see in further details what could be the blockchain role in business networks. First of all, business never operate alone. They are always connected with other businesses, governments, banks…rosargia (40)in blockchain-business • 7 years agoBlockchain for Business #1: What is a blockchain?Business networks are often inefficient because each participant in the network keeps records of all transactions between all the parties that the business interacts with. This process causes the…rosargia (40)in blockchain-crypto • 7 years agoBlockchain & Cryptocurrency #13: Bitcoin Scripting LanguageIn this post we're going to talk about what the Bitcoin scripting language and Bitcoin scripts. We will also see why a script is used in the transaction output instead of a single public key.…rosargia (40)in blockchain-crypto • 7 years agoBlockchain & Cryptocurrency #12: Bitcoin Transactions SchemaIn this course section, we will go into further details talking about Bitcoin transactions and looking at real data structures and real scripts. Bitcoin transactions At the moment, to simplify…rosargia (40)in blockchain-crypto • 7 years agoBlockchain & Cryptocurrency #11: Conclusions on miningIn the previous post we have seen a lot of concepts regarding Bitcoin, so let's draw some conclusions on mining and bitcoin network. Is mining profitable? It's quite expensive for miners to be in…rosargia (40)in blockchain-crypto • 7 years agoBlockchain & Cryptocurrency #10: Incentives and Proof-of-WorkIn the previous posts we have seen a lot of concepts regarding Bitcoin. Now let's make a quick recap and draw some conclusions on mining and bitcoin network. Is mining profitable? It's quite…rosargia (40)in blockchain-crypto • 7 years agoBlockchain & Cryptocurrency #9: Incentives and Proof-of-WorkIn the previous post we saw the technical mechanism ruling Bitcoin protocol. Now we will go into further details regarding incentives and proof of work that encourage nodes to behave honestly.…rosargia (40)in blockchain-crypto • 7 years agoBlockchain & Cryptocurrency #8: Consensus without Identity: the BlockchainIn this post we will discuss in more details the Bitcoin's consensus algorithm. We will see how it is possible to reach consensus without identity through the blockchain. Nodes and identities…rosargia (40)in blockchain-crypto • 7 years agoBlockchain & Cryptocurrency #7: Distributed consensusWe are a group composed by some Informatics and Mathematics who like to share their IT, Math and Cryptographic knowledge with people. It is possible to find our complete courses on website. Since…rosargia (40)in smartphonephotography • 7 years agoSmartphone Photography: NativityHere's the Nativity we have created this year at home. This is also my entry to the #decorationcontest. We have built the Nativity hut with stones we collected this summer during mountain walks.…resteemedmarketingmonk (71)in dtube • 7 years agoCoinbase Launches BCH & Trades At $9,500? / Charlie Lee Sells All His LTC / Monero On Ledger WalletStory - Coinbase adds support for Bitcoin Cash 0:57 In the early hours of this morning in the UK, Coinbase posted this on their blog. This means 3 things. 1, if you held Bitcoin in your…resteemedhowtostartablog (65)in dtube • 7 years agoOverwatch - Winter Challenge (Steemit Original)Today's video is on Overwatch and since it's winter there, they have seasonal games. I played the one where you are either a hunter or a yeti. Hunters are basically "Meis" in the game and the yeti…rosargia (40)in blockchain-crypto • 7 years agoBlockchain & Cryptocurrency #6: Centralization vs. DecentralizationWe are a group composed by some Informatics and Mathematics who like to share their IT, Math and Cryptographic knowledge with people. It is possible to find our complete courses on website. Since…rosargia (40)in blockchain-crypto • 7 years agoBlockchain & Cryptocurrency #5: A simple cryptocurrency, ScroogeCoinWe are a group composed by some Informatics and Mathematics who like to share their IT, Math and Cryptographic knowledge with people. It is possible to find our complete courses on website. Since…rosargia (40)in blockchain-crypto • 7 years agoBlockchain & Cryptocurrency #4: Public keys as identitiesWe are a group composed by some Informatics and Mathematics who like to share their IT, Math and Cryptographic knowledge with people. It is possible to find our complete courses on website. Since…rosargia (40)in introduceyourself • 7 years agoLearning Spot: free courses on IT, Cryptography, Cryptocurrencies and MathHello everyone! We are a group of reasearchers in Informatics, Math and Cryptography who like to share our knowledge with other members of the community. Our mission is to publish lessons and news…rosargia (40)in blockchain-crypto • 7 years agoBlockchain & Cryptocurrency #3: Digital signaturesWe are a group composed by some Informatics and Mathematics who like to share their IT, Math and Cryptographic knowledge with people. It is possible to find our complete courses on website. Since…rosargia (40)in steemit • 7 years agoSteemit #1: Upgrade proposal to add a "Channel feature"We are a group of Informatics and Matematicians who like to share our knowledge with other people interested in IT, Math and Cryptography. Steemit seems to us a great opportunity to share high…rosargia (40)in hash-pointer • 7 years agoBlockchain & Cryptocurrency #2: Hash pointers and data structuresHash Pointer A hash pointer is a data structure that is used a lot in the systems that we're talking about. It is basically a pointer to the place where some information is stored. Together with…
